Unholy Sun

The user creates a black sun that is 40ft wide and 40ft tall. It has a burning radius of 30ft and and a blinding radius of 50ft. All creatures and players within those radius get hurt except the caster of the spell and any creatures or player he/she chooses. Enemies within the blind radius get blinded until the spell is over and enemies within the burning radius get blinded and take 2d10 damage. If a enemy is inside the sun when it is formed, they take 3d10 damage and have to make a Dex. saving throw in order to get out of the sun. Upon failure they will take damage agin at the end of the caster of the spells next turn. The spell ends if the users stops the spell or if they get moved or hit by anything except there self. The user also can’t attack or use any other spells while using this spell. The spell can’t be moved.